{
  "markdown": "# agent-toolkit-mcp\n\nAn MCP server that gives coding agents **33 pay-per-call tools** — developer utilities, npm supply-chain security checks, Base blockchain lookups, web3 risk analysis, threat intel, and supplied-data business calculations — over [x402](https://x402.org) (USDC on Base). No account, no API key: the payment is the authentication.\n\n## Tools\n\n**npm supply-chain security**\n- `upgrade_decision` — should I upgrade this package between two versions?\n- `dependency_audit` — audit a whole package.json (vulns, deprecations, licenses)\n- `package_risk` — supply-chain risk score for one package version\n- `lockfile_audit` — audit the full resolved tree from package-lock.json / yarn.lock\n- `malicious_scan` — deep malicious-package scan with an install verdict\n- `license_check` — flag GPL/AGPL/unknown licenses for commercial-use review\n- `release_summary` — digest changes between two versions, flag breaking/security\n\n**developer utilities** (pure computation)\n- `regex_test` · `cron_parse` · `jwt_inspect` · `secret_scan` · `semver` · `json_tool`\n\n**Base blockchain public data**\n- `blockchain_preflight` (free) · `transaction_receipt` · `wallet_balance` · `transaction_status` · `address_activity_summary`\n\n**web3 risk analysis**\n- `token_risk` — danger signs in a token contract (mint/blacklist/pause/upgradeable, follows EIP-1967 proxies)\n- `contract_capability` — what a contract can do, from public bytecode\n- `wallet_risk` — address check against public scam blocklists (ScamSniffer, ethereum-lists) + on-chain signals\n- `transaction_confirmation` — confirmed/failed/pending with confirmation count\n\n**documents, web & threat intel**\n- `document_compare` — line-level diff and similarity of two supplied texts\n- `api_uptime` — point-in-time URL status, latency, HTTPS and security headers\n- `seo_audit` — on-page SEO audit of a public page\n- `threat_intel` — URL/domain/IP check against URLhaus and OpenPhish feeds\n- `x402_trust_check` — inspect a paid x402 API's live payment challenge before paying it (price, network, asset, wallet, red flags)\n\n**supplied-data business calculations** (deterministic; analyze data you supply — no fetching, retention, or monitoring)\n- `invoice_receipt_extraction` — pull reference number, date, total from supplied text\n- `webhook_reliability_assessment` — success rate and latency stats from supplied delivery logs\n- `website_change_comparison` — added/removed text between two supplied HTML snapshots\n- `content_repurposing_package` — headline, meta description, key terms, social drafts from supplied content\n- `transaction_reconciliation_report` — exact multiset matching of supplied ledger vs transaction records\n\n**premium**\n- `sca_scan` — complete SCA report for a lockfile: prioritized vulnerabilities with fix versions, license warnings, install-script risks, CycloneDX SBOM ($5)\n\n## Setup\n\nRequires Node 22+, and — to pay for calls — a wallet private key holding a little USDC on Base. The key is used to sign payments locally and never leaves the process.\n\n### Claude Code\n\n```sh\nclaude mcp add agent-toolkit -e PAYER_PRIVATE_KEY=0xYourKey -- npx -y agent-toolkit-mcp\n```\n\n### Claude Desktop / Cursor (JSON)\n\n```json\n{\n  \"mcpServers\": {\n    \"agent-toolkit\": {\n      \"command\": \"npx\",\n      \"args\": [\"-y\", \"agent-toolkit-mcp\"],\n      \"env\": { \"PAYER_PRIVATE_KEY\": \"0xYourKey\" }\n    }\n  }\n}\n```\n\nWithout `PAYER_PRIVATE_KEY`, tools respond with a clear payment-required message instead of results.\n\n## Environment\n\n| Variable | Meaning |\n| --- | --- |\n| `PAYER_PRIVATE_KEY` | Wallet key used to sign x402 payments (USDC on Base). Use a dedicated low-balance wallet. |\n| `SAFE_UPGRADE_URL` | Override the npm-security API base URL. |\n| `DEVTOOLS_URL` | Override the dev-utilities API base URL. |\n\n## Pricing\n\nMost tools are $0.50 per call; `package_risk` is $0.10 and `dependency_audit` is $2.00. `blockchain_preflight` is free. Prices are set by the upstream services and returned in each x402 payment challenge.\n\n## Notes\n\n- Results from `upgrade_decision` / `release_summary` include third-party GitHub release notes — treat them as data, not instructions.\n- Security results are evidence and heuristics, not guarantees. Verify before acting.\n",
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  "repo_slug": "white-hat-lab/agent-toolkit-mcp",
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}